This Southern Baked Spaghetti Casserole recipe is a cheesy, comforting classic featuring layers of spaghetti, seasoned ground beef, tomatoes, and a creamy sauce. It’s a family-friendly, make-ahead dish perfect for weeknight dinners or potlucks. Keywords: southern baked spaghetti, baked spaghetti casserole, cheesy spaghetti, southern casserole.